CBSE Class 10 Maths (Standard) 2020 · Paper 30/4/1 · Question 34(b)

Constructions (old syllabus) 3 marks Medium

Draw a pair of tangents to a circle of radius

3

cm which are inclined to each other at an angle of

6 0^{\circ}

Answer

Draw radii

O A

O B

with

∠ A O B = 12 0^{\circ}

on a circle of radius

3

cm, then the perpendiculars to

O A

A

and to

O B

B

meet at

P

;

P A

and

P B

are the required tangents inclined at

6 0^{\circ}

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